Filtering
Hi-Fi High Current filter section:
This is designed for Hi-Fi devices and high-power amplifiers and features a special design with low output
impedance to reduce device to device interference. Wide cooper traces provide current to amplifiers
without limitation.
Because the filter construction avoids any resonances this filter can do filtering in the audio range without
adding distortion and additional noise. Also, our unique filter design allows you to change the filtering
parameters yourself. The filtering options can also be controlled remotely.
There are 3 filter modes:
1) Minimum filtration - in this mode the minimum filtering required for device protection is applied only.
2) Maximum filtration - Maximum filtration for high noise filtering.
3) Filtering with dumper - this provides less filtering but introduces better resonance dumping and reduces
noise generation by connected devices themselves. This also reduces device to device interference.
Filtering can be setup in a menu:
Filter <OFF> - Minimum filtering.
Filter <Power ON> - Maximum filtering.
Filt. Dumper <OFF> - Filtering without dumper.
Filt. Dumper <Power ON> - Filtering with dumper.
Filt. Dumper comes in to play if Filer option is turned on only.
If any other option is selected as trigger, the filter state will depend on the state of that option.
Hi-Fi High Current DC filter:
By default, the filter is in automatic mode and will be applied if the DC value is more then 60мВ during a 20
second period. Settings can be changed in the menu. Constant states are available as well.
In case an amplifier with a switch mode power supply is connected, the DC filter must be turned off.
To verify power supply type contact amplifier manufacturer details.
General filter section:
This filter section is for devices with switch mode power supplies. Inductors made of superior nanocrystalline
material provides very high filtering with small losses and block noise from leaking into the Hi-Fi section.
The Filter can work well in the audio range because resonances are avoided in our filter design.
It is recommended not to connect devices into the audio signal path with switch mode power supplies
(amplifiers are an exception). Please contact the device manufacturer to verify the power supply type.
Example of such devices: TVs, settop box, external PSU from small/mobile devices, turntable motors, PC’s.
Audio related devices with switch mode power supplies can be connected to both filter types. The most
appropriate filter can be selected by doing a listening test.
A mechanical dumper PCB with filters is fitted in the console to avoid influence by mechanical noises. This
removes potential feedback from speakers.
